| 摘要 |
Matrix panel for road signalling.Includes a support (1) with a number of holes (2) passing through it arranged in a regular matrix and inside which are means for guiding the light (4) which reaches them through sensors (3) and reaches the observer through diffusers (5).For the purpose of forming a definite signal, a mask (7) can be placed on the front face of the support (1) that can be combined with filters (6) when it is essential to use colours.<IMAGE> |
